libcxx/test/std/numerics/rand/rand.util/rand.util.seedseq/initializer_list.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03
  10
  11 // <random>
  12
  13 // class seed_seq;
  14
  15 // template<class T>
  16 //     seed_seq(initializer_list<T> il);
  17
  18 #include <random>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22
  23 int main(int, char**)
  24 {
  25     std::seed_seq s= {5, 4, 3, 2, 1};
  26     assert(s.size() == 5);
  27     unsigned b[5] = {0};
  28     s.param(b);
  29     assert(b[0] == 5);
  30     assert(b[1] == 4);
  31     assert(b[2] == 3);
  32     assert(b[3] == 2);
  33     assert(b[4] == 1);
  34
  35   return 0;
  36 }